Use window.location instead of iframe to trigger download.

Bugs:

 * https://bugzilla.mozilla.org/show_bug.cgi?id=926701
 * https://bugzilla.mozilla.org/show_bug.cgi?id=924824

This is needed because an iframe is blocked by Chrome if the page is on HTTPS and the iframe contents redirect to an HTTP URI. See
Add l10n blocks for locale/region privacy policies
Bug 887535
Bug 834422, og:image should include a protocol
Merge pull request #1299 from kyoshino/bug-834422-meta-ogp-protocol

Bug 834422, og:image should include a protocol
Merge pull request #1324 from sgarrity/bug-887535-fxos-privacy-l10n-ptbr

Add l10n blocks for locale/region privacy policies
Update /firefox/whatsnew with FxOS messaging. Bug 890114.

- Specified locales get FxOS messaging.

- Old messaging retained for legacy/other use.

- Update l10n_utils render function to handle list of
  templates.
Update phone CTA for pt-BR. Bug 927540.
Merge pull request #25 from mozilla/bug-927540-update-fxos-cta-brazil

Update phone CTA for pt-BR. Bug 927540.
Merge pull request #1322 from mozilla/bug-890114-promote-fxos-whatsnew

Update /firefox/whatsnew with FxOS messaging. Bug 890114.
Change pt-BR to br for FxOS geolocation. Bug 927540.
Fix bug 929008 - remove Maker Party promo from home page
Merge pull request #1326 from craigcook/bug-929008-remove-maker-party-promo

Fix bug 929008 - remove Maker Party promo from home page
Merge branch 'master' of github.com:mozilla/bedrock-private
Bug 929461 - Fix mobilizer string on home pag
Merge pull request #1327 from pascalchevrel/Bug-929461-Fix_mobilizer_string_home_l10n

Bug 929461 - Fix mobilizer string on home page
Bug 925278: activate channel page for Czech
Bug 929501 - whatsnew-fxos page template has wrong path include for lang file
Merge pull request #1328 from pascalchevrel/l10n-activate-firefoxchannel-page

l10n: activate channel page for Czech
Merge pull request #1329 from pascalchevrel/Bug-929501-fix-langfile-path-inclusion-whatsnew-fxos

Bug 929501 - whatsnew-fxos page template has wrong path include for lang file
Fix Bug 929141 - disable collectstatic on demo1